文件客户模具设计要求lego-design standard

Lego模具设计要应不小于50mm,CORE&必须用销钉定位。Forsmallerelementswesettheexperiencevalueofthepressureto800bar,whereasthepressurecanbesmallerforlargerelementswithagoodwall-thickness–downto500bar.Example ExampleSmall LargeMaterial:ABSor Material:Wall-thickness: Wall-thickness:Pressure:800 Pressure:500Projectedarea(投影面积（参考例题：在CAD/LEGO-Thecalculationofthe lookslikeProjectedarea(cm2)xpressure(bar)=liftingThepressureintheisdependingonthefollowingWall Distancefromgatetothelastfilling Material Guidingsystemontes&模胚的边锁只要求做三个（方型辅助器

Upperstraightlockmustbe cedinStraightlockmaletobeaddedtoside.Straightlockfemaletobeaddedtocore

Lowerstraightlocksmustbe cedinhorizontalcenterlinePL面为平面时，应加虎口（锁位虎口大小视模胚大小而定Mouldmarkings(字FLEXTRONICS规定在操作者面的PartNO.如下图Sizeofinletgate:Topreventstressofmaterialandhugepressuredrop,youneedtofollowthedimensionasitisshowninthetable,seebelow.aPartingline,whenyouputtheinsertdeeperintothepart,thenyouhaveariskthatthepartsarestickinginthe90度DimensionDimensionb(gateHV-取消此灯位取消此灯位LEGOToTobeabletomakethecalculationfortheneededdimension,youneedtousethe2-temouldswithBananagate（蕉形入水TheBananagatecanbeusedwhentheinlethastobehiddenattheTheDistanceChastobekeptinordertoguaranteeflexibilitywhentheelement.Whenyoudon’thavethisflexibility,youwillhaveproblemswiththeejection.Thetoolhastobeshapedwithapartitioninthemiddleoftheinletsothatitwillbepossibletomakeprocessingfromoneside.Materialhardenedsteel,e.g.Rigor55-57HRC(XW10AssabSteel).ItisimportanttopolishtheTheTheflatsquareisthebendingpointofthebananagate.Thesquareismadewiderthantherestoftherunnertopreventpressuredrop.Sidegate（LEGO要求Goodexample:ThegateshouldbeGoodexample:Thegateshouldbeina90ºangleinordertogetanicebreakingpoint.Badexample:Thegateistoolongandtoosmall,youwillhavepressuredropandthegateis zingtooBadexample:Thegatesizeistoobig,soitisdifficu